diff --git a/po/de.po b/po/de.po
index d89a45504..847a589ba 100644
--- a/po/de.po
+++ b/po/de.po
@@ -1,3 +1,4 @@
+
 # translation of de.po to German
 # Copyright (C) 2009 Moritz Bunkus
 # This file is distributed under the same license as the mkvtoolnix package.
@@ -9,7 +10,7 @@ msgstr ""
 "Project-Id-Version: de\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2009-02-18 23:52+0100\n"
-"PO-Revision-Date: 2009-05-12 18:47+0200\n"
+"PO-Revision-Date: 2009-05-12 20:00+0200\n"
 "Last-Translator: Moritz Bunkus <moritz@bunkus.org>\n"
 "Language-Team: German <moritz@bunkus.org>\n"
 "MIME-Version: 1.0\n"
@@ -545,7 +546,7 @@ msgstr "  -v, --verbose            Gesprächigkeit erhöhen\n"
 
 #: src/merge/mkvmerge.cpp:212
 msgid ""
-"  -y, --sync, --delay <TID:d[,o[/p]]>\n"
+"  -y, --sync <TID:d[,o[/p]]>\n"
 "                           Synchronize, adjust the track's timecodes with\n"
 "                           the id TID by 'd' ms.\n"
 "                           'o/p': Adjust the timecodes by multiplying with\n"
@@ -553,7 +554,7 @@ msgid ""
 "                           1000 if omitted. Both 'o' and 'p' can be\n"
 "                           floating point numbers.\n"
 msgstr ""
-"  -y, --sync, --delay <TID:d[,o[/p]]>\n"
+"  -y, --sync <TID:d[,o[/p]]>\n"
 "                           Manuelle Synchronisation. Addiert den Wert 'd' zu\n"
 "                           allen Zeitstempeln und multiplziert sie mit 'o/p'.\n"
 "                           'p' wird mit 1000 angenommen, wenn es nicht\n"
diff --git a/po/ja.po b/po/ja.po
index 6ef1b810f..949c0da4b 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -1,3 +1,4 @@
+
 # translation of ja.po to Japanese
 # Copyright (C) 2009 Moritz Bunkus
 # This file is distributed under the same license as the mkvtoolnix package.
@@ -8,7 +9,7 @@ msgstr ""
 "Project-Id-Version: ja\n"
 "Report-Msgid-Bugs-To: Hiroki Taniura <zuntakapokoten@gmail.com>\n"
 "POT-Creation-Date: 2009-02-27 00:38+0900\n"
-"PO-Revision-Date: 2009-05-11 11:32+0900\n"
+"PO-Revision-Date: 2009-05-12 20:00+0200\n"
 "Last-Translator: Hiroki Taniura <zuntakapokoten@gmail.com>\n"
 "Language-Team: Japanese <zuntakapokoten@gmail.com>\n"
 "MIME-Version: 1.0\n"
@@ -525,7 +526,7 @@ msgstr "  -v, --verbose            詳細なステータス情報を出力しま
 
 #: src/merge/mkvmerge.cpp:212
 msgid ""
-"  -y, --sync, --delay <TID:d[,o[/p]]>\n"
+"  -y, --sync <TID:d[,o[/p]]>\n"
 "                           Synchronize, adjust the track's timecodes with\n"
 "                           the id TID by 'd' ms.\n"
 "                           'o/p': Adjust the timecodes by multiplying with\n"
@@ -533,7 +534,7 @@ msgid ""
 "                           1000 if omitted. Both 'o' and 'p' can be\n"
 "                           floating point numbers.\n"
 msgstr ""
-"  -y, --sync, --delay <TID:d[,o[/p]]>\n"
+"  -y, --sync <TID:d[,o[/p]]>\n"
 "                           同期のために、トラックのタイムコードをdミリ秒\n"
 "                           ズラします。\n"
 "                           o/pは、長さの同期を修正するために、o/pを\n"
diff --git a/po/zh.po b/po/zh.po
index 058e6f401..1e40fbc31 100644
--- a/po/zh.po
+++ b/po/zh.po
@@ -1,3 +1,4 @@
+
 # translation of mkvtoolnix to Chinese
 # Copyright (C) 2009 Moritz Bunkus
 # This file is distributed under the same license as the mkvtoolnix package.
@@ -8,7 +9,7 @@ msgstr ""
 "Project-Id-Version: zh\n"
 "Report-Msgid-Bugs-To: Dean Lee <xslidian@gmail.com>\n"
 "POT-Creation-Date: 2009-02-18 23:52+0100\n"
-"PO-Revision-Date: 2009-05-11 13:12+0800\n"
+"PO-Revision-Date: 2009-05-12 20:00+0200\n"
 "Last-Translator: Dean Lee <xslidian+t@gmail.com>\n"
 "Language-Team: Chinese Simplified <xslidian@gmail.com>\n"
 "MIME-Version: 1.0\n"
@@ -519,7 +520,7 @@ msgstr "  -v, --verbose            “详细”状态\n"
 
 #: src/merge/mkvmerge.cpp:212
 msgid ""
-"  -y, --sync, --delay <TID:d[,o[/p]]>\n"
+"  -y, --sync <TID:d[,o[/p]]>\n"
 "                           Synchronize, adjust the track's timecodes with\n"
 "                           the id TID by 'd' ms.\n"
 "                           'o/p': Adjust the timecodes by multiplying with\n"
@@ -527,7 +528,7 @@ msgid ""
 "                           1000 if omitted. Both 'o' and 'p' can be\n"
 "                           floating point numbers.\n"
 msgstr ""
-"  -y, --sync, --delay <TID:d[,o[/p]]>\n"
+"  -y, --sync <TID:d[,o[/p]]>\n"
 "                           以 'd' 毫秒同步、校准编号为 TID 的轨的时间码。\n"
 "                           'o/p': 通过将时间码与 'o/p' 相乘以修复线性偏差。\n"
 "                           'p' 若省略则默认为 1000。\n"
diff --git a/src/merge/mkvmerge.cpp b/src/merge/mkvmerge.cpp
index 69e094cf7..7c70ddc43 100644
--- a/src/merge/mkvmerge.cpp
+++ b/src/merge/mkvmerge.cpp
@@ -209,7 +209,7 @@ set_usage() {
   usage_text += Y("  -M, --no-attachments     Don't copy attachments from a source file.\n");
   usage_text += Y("  --no-chapters            Don't keep chapters from a Matroska file.\n");
   usage_text += Y("  --no-tags                Don't keep tags from a Matroska file.\n");
-  usage_text += Y("  -y, --sync, --delay <TID:d[,o[/p]]>\n"
+  usage_text += Y("  -y, --sync <TID:d[,o[/p]]>\n"
                   "                           Synchronize, adjust the track's timecodes with\n"
                   "                           the id TID by 'd' ms.\n"
                   "                           'o/p': Adjust the timecodes by multiplying with\n"